46VOLVOEngines
AftertreatmentControlModule(ACM)
W2038621
TheACMcontrolsthefollowingcomponentsintheexhaustaftertreatmentsystem:
•AftertreatmentDEFDosingUnit
•AftertreatmentDEFTankHeaterV alve
•AftertreatmentDEFLineHeaters
•AftertreatmentDEFPump
•AftertreatmentDEFReturnV alve
•AftertreatmentDEFTankLevelSensor
TheACMalsomonitorsthefollowingvaluesintheexhaustaftertreatmentsystem:
•AftertreatmentDEFDosingAbsolutePressure
•AftertreatmentDEFTankTemperature
•AftertreatmentDEFTankLevel
•AftertreatmentDPFInlet/OutletTemperature
•AftertreatmentDPFDifferentialPressure
•NOxSensors
TheACMisastandalonemodule.Dependingonyourcongurationitmaybemountedas
partoftheDEFtank(asshownabove)oronabracketneartheDEFtank.